export interface ShippingAddress {
  id: number
  userId: number
  receiverName: string
  receiverPhone: string
  province: string
  city: string
  district: string
  detailAddress: string
  isDefault: number // 0-no, 1-yes
  createTime: Date
  updateTime: Date

  // Optional method to get full address
  getFullAddress?: () => string
}
